.message-board-page-shell { width: min(1040px, calc(100% - 32px)); margin: 24px auto 46px; min-width: 0; }
.message-board-page-breadcrumb { display: flex; align-items: center; gap: 9px; min-height: 44px; margin-bottom: 12px; color: #52677e; font-size: .9rem; flex-wrap: wrap; }
.message-board-page-breadcrumb a { color: #1c557f; }
.message-board-page-header { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 28px; border-radius: 20px; background: #071b3f; color: #fff; }
.message-board-page-header h1 { margin: 4px 0 9px; font-size: clamp(1.8rem, 5vw, 3rem); }
.message-board-page-header p { margin: 0; max-width: 720px; line-height: 1.7; }
.message-board-page-header .message-board-eyebrow { color: #ffd43b; }
.message-board-search { margin: 18px 0; padding: 18px; border: 1px solid #d9e6f3; border-radius: 14px; background: #fff; }
.message-board-search label { display: block; margin-bottom: 7px; font-weight: 800; }
.message-board-search > div { display: flex; gap: 8px; }
.message-board-search input { min-width: 0; flex: 1; min-height: 44px; padding: 9px 12px; border: 1px solid #9fb7cc; border-radius: 10px; }
.message-board-search button { min-height: 44px; padding: 8px 18px; border: 0; border-radius: 10px; background: #0d2b59; color: #fff; font-weight: 800; }
.message-board-list { list-style: none; margin: 18px 0 0; padding: 0; border: 1px solid #d9e6f3; border-radius: 16px; background: #fff; overflow: hidden; }
.message-board-list li { display: grid; grid-template-columns: minmax(0, 1fr) 170px 70px 150px; gap: 14px; align-items: center; min-height: 72px; padding: 12px 18px; border-bottom: 1px solid #e6eef5; }
.message-board-list li:last-child { border-bottom: 0; }
.message-board-list__title { min-width: 0; overflow-wrap: anywhere; }
.message-board-list__title > span, .message-board-list__author > span { display: inline-block; margin-right: 7px; padding: 3px 7px; border-radius: 999px; background: #e4f7ff; color: #0c5678; font-size: .72rem; font-weight: 800; }
.message-board-list__author strong { font-size: .88rem; }
.message-board-list li > div:nth-child(3) { text-align: center; }
.message-board-list li > div:nth-child(3) strong, .message-board-list li > div:nth-child(3) small { display: block; }
.message-board-list time { color: #63748a; font-size: .82rem; }
.message-board-pagination { display: flex; align-items: center; justify-content: center; gap: 8px; margin: 22px 0; flex-wrap: wrap; }
.message-board-pagination a, .message-board-pagination span { min-width: 44px; min-height: 44px; display: inline-flex; align-items: center; justify-content: center; padding: 7px 11px; border: 1px solid #9fb7cc; border-radius: 9px; background: #fff; color: #173e62; }
.message-board-pagination a[aria-current="page"], .message-board-pagination span[aria-current="page"] { border-color: #0d2b59; background: #0d2b59; color: #fff; }
.message-board-form-shell { max-width: 860px; }
.message-board-form { margin-top: 18px; padding: 26px; border: 1px solid #d9e6f3; border-radius: 18px; background: #fff; }
.message-board-form > div { margin-bottom: 20px; }
.message-board-form label, .message-board-reply-form label, .message-board-report label { display: block; margin-bottom: 7px; font-weight: 800; }
.message-board-form input, .message-board-form textarea, .message-board-reply-form textarea, .message-board-report textarea { width: 100%; min-height: 44px; padding: 10px 12px; border: 1px solid #9fb7cc; border-radius: 10px; }
.message-board-form textarea, .message-board-reply-form textarea, .message-board-report textarea { resize: vertical; }
.message-board-form span.field-validation-error, .message-board-form__errors { color: #a22525; }
.message-board-form__errors:not(:empty) { padding: 12px 14px; border: 1px solid #e3a5a5; border-radius: 10px; background: #fff3f3; }
.message-board-page-shell .message-board-safety { width: 100%; margin: 18px 0; }
.message-board-safety--compose, .message-board-safety--topic { padding: 16px 18px; border-left-width: 4px; }
.message-board-safety--compose p, .message-board-safety--topic p { margin: 0; }
.message-board-announcement-list { margin-top: 22px; }
.message-board-form__actions { display: flex; align-items: center; gap: 18px; }
.message-board-form__actions a { min-height: 44px; display: inline-flex; align-items: center; }
.message-board-post { border: 1px solid #d9e6f3; border-radius: 18px; background: #fff; overflow: hidden; }
.message-board-post > header { padding: 26px; border-bottom: 1px solid #e3ecf4; background: #f7fbfe; }
.message-board-post h1 { margin: 8px 0 12px; overflow-wrap: anywhere; }
.message-board-post header p { display: flex; gap: 9px; align-items: center; flex-wrap: wrap; margin: 0; color: #5c6c84; }
.message-board-post header p > span, .message-board-post__badges span { padding: 3px 8px; border-radius: 999px; background: #e4f7ff; color: #0c5678; font-size: .75rem; font-weight: 800; }
.message-board-post__content { padding: 28px; line-height: 1.85; white-space: pre-wrap; overflow-wrap: anywhere; }
.message-board-report { margin: 0 26px 26px; }
.message-board-report summary { min-height: 44px; display: flex; align-items: center; cursor: pointer; color: #5c6c84; }
.message-board-report form { padding: 14px; border-radius: 12px; background: #f3f7fa; }
.message-board-report button { min-height: 44px; margin-top: 10px; }
.message-board-replies { margin-top: 24px; }
.message-board-replies > header h2 span { color: #597089; font-size: .9em; }
.message-board-replies > ol { list-style: none; margin: 0; padding: 0; }
.message-board-replies > ol > li { padding: 18px 20px; border: 1px solid #d9e6f3; border-bottom: 0; background: #fff; }
.message-board-replies > ol > li:first-child { border-radius: 14px 14px 0 0; }
.message-board-replies > ol > li:last-child { border-bottom: 1px solid #d9e6f3; border-radius: 0 0 14px 14px; }
.message-board-replies li > div { display: flex; gap: 9px; align-items: center; flex-wrap: wrap; color: #60738a; font-size: .84rem; }
.message-board-replies li b { color: #0c5678; }
.message-board-replies li p { white-space: pre-wrap; overflow-wrap: anywhere; line-height: 1.7; }
.message-board-reply-form { margin-top: 20px; padding: 22px; border: 1px solid #d9e6f3; border-radius: 14px; background: #fff; }
.message-board-reply-form button { margin-top: 10px; }
.message-board-page-shell input:focus-visible, .message-board-page-shell textarea:focus-visible,
.message-board-page-shell button:focus-visible, .message-board-page-shell a:focus-visible,
.message-board-page-shell summary:focus-visible { outline: 3px solid #ffd43b; outline-offset: 3px; }
@media (max-width: 760px) {
    .message-board-page-shell { width: calc(100% - 24px); }
    .message-board-page-header { align-items: start; flex-direction: column; padding: 22px; }
    .message-board-search > div { flex-direction: column; }
    .message-board-list li { grid-template-columns: 1fr 90px; gap: 7px; }
    .message-board-list li > time { grid-column: 1 / -1; }
    .message-board-list__author { grid-column: 1; }
    .message-board-list li > div:nth-child(3) { grid-column: 2; grid-row: 1 / 3; }
    .message-board-post > header, .message-board-post__content { padding: 20px; }
}